Embedded Software Engineer (BE-CEM-EDL-2026-102-GRAP)

Responsibilities

• Develop and maintain software and firmware for the WR Switch, including its Linux-based operating system.
• Participate in bringing up and debugging new hardware versions.
• Maintain git repos.
• Develop, maintain and perform WR Switch tests, including hardware in Continuous Integration (CI) pipelines, performance and compliance tests.
• Assist in the development of production tests to be conducted post-hardware manufacturing.
• Collaborate with your colleagues in the hardware/software co-design process, where HDL, firmware, Linux device drivers and host applications are developed and reviewed together.
• Collaborate with external companies, universities and public institutes.
• Ensure thorough and up-to-date documentation is in place.
• Prepare firmware release.
• More information here .
• Your profile
• Development of embedded Linux software and bare-metal firmware.
• Working with an embedded Linux distribution running on SoC of AMD/Xilinx FPGAs.
• Performance and/or compliance testing using dedicated instrumentation.
• Debugging of hardware.

Requirements

• Required:
• Low-level programming in C, including bare-metal.
• Embedded Linux and Linux Device drivers.
• Git-based development, code reviews, merge requests and CI pipelines.
• Python.
• Advantageous:
• Testing frameworks, PyTest.
• Basics of FPGA development (VHDL, Verilog, SystemVerilog).
• Capability of understanding PCB schematics.
• Networking and synchronisation protocols (e.g. NTP, PTP).
• Language skills:
• Spoken and written English, with a commitment to learn French.
• Eligibility criteria:
• You are a national of a CERN Member or Associate Member State .
• You have a professional background in Software Engineering (or a related field) and have either: a Master's degree with 2 to 6 years of post-graduation professional experience;
• or a PhD with no more than 3 years of post-graduation professional experience.
• You have never had a CERN fellow or graduate contract before.
• Job closing date: 05.07.2026 at 23:59 CEST.
• Contract duration: 24 months, with a possible extension up to 36 months maximum.
• Working hours: 40 hours per week
• Job flexibility: Fully Onsite
• Target start date: 01-September-2026
• Job reference: BE-CEM-EDL-2026-102-GRAP
• Field of work: Software Engineering and IT
• Benchmark job: 200020 - Computing Engineer
• Global Benefits
• A monthly stipend between 6372-7004 Swiss Francs per month (tax free) depending on your degree.
• 30 days of paid leave per year plus 2 weeks annual closure.
• Coverage by CERN's comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
• Family, child and infant monthly allowances depending on your individual circumstances.
• A relocation package (installation grant and travel expenses) depending on your individual circumstances.
• Possibility to extend your contract up to 36 months.
• On-the-job and formal training including language classes.
• Overview of CERN - Discover a world where the impossible is made possible!
• If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!
• More information about us, here: careers.cern

Benefits

Additional Information

Are you passionate about cutting-edge technology and eager to work on innovative projects? We are looking for an Embedded Software Engineer to join the Electronics Design and Low-Level Software to join our team. As part of our team, you will contribute to the White Rabbit (WR) project : a CERN-born technology and now an industry-standard that provides sub-nanosecond synchronisation and deterministic data transfer to distributed devices interconnected with a WR network. We are looking for a skilled Embedded Software Developer to work on the next generation of the WR switch ( White Rabbit Switch v4 ). It is the core component of a WR network and now a new version is under development. Join us and take an active role in the design of this fully open-source Ethernet switch!

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